55612547 has 6 divisors (see below), whose sum is σ = 56040348. Its totient is φ = 55187984.

The previous prime is 55612537. The next prime is 55612549. The reversal of 55612547 is 74521655.

It is not a de Polignac number, because 55612547 - 2⁶ = 55612483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55612549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17288 + ... + 20250.

It is an arithmetic number, because the mean of its divisors is an integer number (9340058).

Almost surely, 2^55612547 is an apocalyptic number.

55612547 is a deficient number, since it is larger than the sum of its proper divisors (427801).

55612547 is an equidigital number, since it uses as much as digits as its factorization.

55612547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237 (or 3100 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 55612547 is about 7457.3820473407. The cubic root of 55612547 is about 381.7018474295.

The spelling of 55612547 in words is "fifty-five million, six hundred twelve thousand, five hundred forty-seven".